Fig. 7

Detection of TOF in a fetus of 24 gestational weeks using 4D volumes with color flow information. The 4D rendered image clearly showed that the large in sized aorta was connected to both ventricles (a). Another image showed the stenosis pulmonary artery was connected to the right ventricle (b). AO, aorta; LV, left ventricle; PA, pulmonary artery; RV, right ventricle; TOF, tetralogy of Fallot